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Oksana_A [137]
2 years ago
5

In AHIJ, h = 38 inches, i = 45 inches and j=61 inches. Find the measure of ZH to the nearest degree.

Mathematics
1 answer:
Paraphin [41]2 years ago
7 0

Answer:

38°

Step-by-step explanation:

Delta math

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Determine the product of (46.2 × 10–1) ⋅ (5.7 × 10–6). Write your answer in scientific notation.
likoan [24]

Answer:

Step-by-step explanation:

a) = 46.2 X 10∧-1

   =0.462

b) = 5.7 x 10∧-6

   = 0.00057

3 0
3 years ago
Tony is training to run a marathon. He has already run 2 miles today and is running additional miles at 6 miles per hour. Write
Minchanka [31]
I think its 8m/h or somethan but idrk. Like it doesnt specify how long it took him the run the 2 hours so idrk. Or it would be 2m/d + 6m/h with d=day
3 0
3 years ago
PQ and QR are two sides of a regular 12-sided polygon. PR is the diagonal of the polygon.
skelet666 [1.2K]

The size of angle PRQ is 15°

Step-by-step explanation:

In any regular polygon of n-sided

  • All sides are equal in length
  • All angles are equal in measure
  • The measure of each interior angle is \frac{(n-2)*180}{n}
  • The measure of each exterior angle is \frac{360}{n}
  • The sum of the measures of the interior and exterior angle at the same vertex is 180°

∵ PQ and QR are two sides of a regular 12-sided polygon

∴ PQ = QR

∵ PR is a diagonal

∴ ∠PQR is an interior angle of the polygon

- By using the rule of the interior angle above

∵ n = 12

∴ m∠PQR = \frac{(12-2)*180}{12}

∴ m∠PQR = 150°

In Δ PQR

∵ PQ = QR ⇒ sides in a regular polygon

- Δ PQR is an isosceles Δ

∴ m∠PRQ = m∠RPQ ⇒ base angles of an isosceles Δ

The sum of the measures of the interior angles of a triangle is 180°

∵ m∠PQR + m∠PRQ + m∠RPQ = 180°

∴ 150 + m∠PRQ + m∠RPQ = 180°

- Subtract 150 from both sides

∴ m∠PRQ + m∠RPQ = 30

∵ m∠PRQ = m∠RPQ

- Divide their sum by 2 to find the measure of each one

∴ m∠PRQ = m∠RPQ = 30 ÷ 2 = 15°

∴ m∠PRQ = 15°

The size of angle PRQ is 15°

Learn more:

You can learn more about the triangles in brainly.com/question/3945600

#LearnwithBrainly

4 0
3 years ago
4. k(x) × g(x) × f(x)​
Vikentia [17]

k(x) \times f(x)

(2x + 5) \times (x - 1)

2 x(x - 1) + 5(x - 1)

({2 x }^{2}  - 2x) + (5x - 5)

{2x}^{2}  - 3x - 5

________________________________

k(x) \times g(x) \times f(x)

g(x) \times (k(x) \times f(x))

({6x   }^{2}  - 4x +  {3x}^{4} ) \times ( {2x}^{2}  - 3x - 5)

{6x}^{2}  ( {2x}^{2}  - 3x - 5) - 4x ( {2x}^{2}  - 3x - 5) +  {3x}^{4}  ( {2x}^{2}  - 3x - 5)

12 {x}^{4}  - 18 {x}^{3}  - 30 {x}^{2}  -  {8x}^{3}  - 12 {x}^{2}  - 20x +  {6x}^{6}  - 9x {}^{5}  -  {15x}^{4}

7 0
2 years ago
What is 4 and 1 /3 times 6​
Temka [501]

Answer:

25.8

Step-by-step explanation:

1/3 = .3

4.3 * 6 = 25.8

So 4 and 1/3 times 6 is 25.8 or 25 and 8/10

I hope this helps!! :) blessings, stay safe, xx, nm <3

5 0
3 years ago
Read 2 more answers
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